About Jeffrey

Jeffrey Onochie is a Senior Software Engineer on the Greenstone Solutions engineering team. He specializes in modernizing microservices, cloud migration, application security, and production observability. His work improves the scalability, reliability, maintainability, and delivery speed of complex distributed systems. Day to day, Jeffrey:

• Leads microservices migrations from on-premises infrastructure to the cloud, including pre-migration analysis, risk identification, testing support, and post-migration stabilization
• Migrates codebases and development workflows from GitHub to GitLab while maintaining reliable version-control and review processes
• Refactors, optimizes, and containerizes legacy microservices to improve performance, portability, maintainability, and deployment consistency
• Upgrades Node.js runtimes and service dependencies, resolving compatibility and package-update issues across microservices
• Identifies and remediates application and infrastructure vulnerabilities using Snyk scan reports
• Builds service maps, centralized logging, and operational dashboards with Elastic and Kibana to improve system visibility and monitoring
• Resolves migration defects, reviews merge requests, maintains Swagger documentation, and tracks delivery progress in Jira

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